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  #21  
Old May 17th, 2014, 11:49 AM
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Jason England
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Do you have access to a rover gauge or similar ... Doing a road test you could get a good idea what was going on quite quickly.
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  #22  
Old May 17th, 2014, 12:00 PM
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Yes it is enroute from rovers north. I have swapped ecus between trucks with no improvement, rrc continues to run extremely rich. I am also running a 5am maf. Truck seems to run well for the most other than the rocks in the oil pan.
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  #23  
Old May 19th, 2014, 09:17 AM
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So I received a new sensor from rovers north, upon reinstallation the plastic connector spun on the brass sensor, iIwas not able to tighten the sensor into the intake . The old sensor was corroded almost black,I guess sitting in coolant for 23 years takes a toll, it will be interesting to see if a new sensor fixes the over fueling gas/oil contamination.
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  #24  
Old May 19th, 2014, 10:08 AM
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Quote:
Originally Posted by rover4x4 View Post
So I received a new sensor from rovers north, upon reinstallation the plastic connector spun on the brass sensor, iIwas not able to tighten the sensor into the intake . The old sensor was corroded almost black,I guess sitting in coolant for 23 years takes a toll, it will be interesting to see if a new sensor fixes the over fueling gas/oil contamination.
It would be very helpful to you if you could view the live data to see if the sensor is the issue. If the sensor or wiring is at fault it can tell the ECM that the coolant temp is extemely cold causing it to run at full rich.
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  #25  
Old May 19th, 2014, 10:59 AM
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Bill Adams
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Could you not jumper the CTS plug so that the ECU gets its happy, warm +5v ? Then you could eliminate that as an issue instead of buying new sensors.
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  #26  
Old May 19th, 2014, 01:56 PM
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Originally Posted by o2batsea View Post
Could you not jumper the CTS plug so that the ECU gets its happy, warm +5v ? Then you could eliminate that as an issue instead of buying new sensors.

At 20$ not a big dealor replace. Idon't have the means to monitorwhat's going on with in the fuel injection system . I'm by no means a mechanic, parts changer extrodinaire . With respect to it running rich, I am running a 180 degree thermostat and catalytic convertors. My d90 runs fine with the 180 thermostat and cats, have a 95 LWB with no cats and 180 thermostat it doesn't run rich. doesnt. s

pardon the typoI am posting from my phone
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  #27  
Old May 19th, 2014, 02:08 PM
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I thought there was free software for live data on 14CUX but you just need a connector. I have access to T4 and I have a Snap On scanner that does it, so I have never needed it.
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  #28  
Old May 19th, 2014, 02:11 PM
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What snap on scanner do you have?
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  #29  
Old May 19th, 2014, 02:43 PM
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What snap on scanner do you have?
Solus Ultra. It also requires the use of the LR-1 connector that is not available in the US to use with 14CUX.
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  #30  
Old May 19th, 2014, 05:01 PM
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Apparently there is a source for those LR-1 connectors secretly on the board ... How well does it work??
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Soapy water / KY jelly, etc. is is basically a must. Yes, good idea to remove trim panels - only takes 5 more minutes to do so.
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  #31  
Old May 19th, 2014, 06:00 PM
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Originally Posted by leastonce View Post
Apparently there is a source for those LR-1 connectors secretly on the board ... How well does it work??
I didn't like dealing with that guy, he talks funny

I have only hooked it up briefly, but it seems to work well. I like it better than T4 because you don't have to rectify faults before reading live data. T4 really sucks for 14CUX trucks. T4 is so old at this point most of the connectors are damaged and the computers barely work. I assume this is the case at most dealerships.

I wouldn't buy the Snap On scanner just to use with 14CUX trucks, but it is definitely good to have that connector if you already have the scanner. Another side note is that T4 will tell you what the readings for live data should be, whereas with the Snap On scanner you just have to know what the numbers mean.
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  #32  
Old June 15th, 2014, 05:36 PM
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Okay I don't have the time or ability to get my classic hooked to a proper diagnostic computer .

After a few tries I got the proper sensor from Will, rrovers north sent two that were janky. Truck does seem to run marginally better, does not seem to be over fueling. I am not sure why iI didn't replace this part sooner. iI no longer get black smoke at WOT and even the little lady said it wasnt as smelly..
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